为避免膝盖疼痛，你可以在柔软的地面上跑步，多加练习来加强腿部肌肉，尽量不在斜坡上跑，并买双好的跑鞋。
To avoid knee pain, you can run on soft surfaces, do exercises to strengthen your leg muscles, avoid hills and get good running shoes.
“嗯，如果这算幼稚，”我翻着卡通书，随口说，“那我想我也是幼稚的，因为，要是我小时候那条柔软的旧婴儿毯不在我的枕头下，我就睡不着觉。”
“well, if it is, ” I say, crunching my carrot, “then I guess I’m immature, too, because I can’t fall asleep unless the tiny scrap of my old baby blanket is under my pillow.”
这个概率和其他鸟类世界的相似，甚至包括了那些拥有柔软鸟巢和从不在鸟蛋附近争斗的鸟类。
That rate is similar to the rate in the rest of the bird world, even including those birds that have cushy nests and never fight near their eggs.
“贝拉，你心不在焉得过分可不是我的错。”他的声音像往常一样——像天鹅绒一样柔软。
"Bella, it's not my fault if you are exceptionally unobservant." His voice was quiet as usual - velvet, muted.
正本真皮已不在动物身上，但它的表皮之下依然有水分，以坚持皮质柔软。
The original leather is not on the animal, but it still has moisture under the skin to keep the skin soft.
正本真皮已不在动物身上，但它的表皮之下依然有水分，以坚持皮质柔软。
The original leather is not on the animal, but it still has moisture under the skin to keep the skin soft.
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